BCG is built right, lockup and ejection are correct. only quirk is the carrier was tight in an aero upper for the first 100 rds, some break in friction. now after 400 rds it glides clean. likely tighter clearance than other BCGs i have run


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Palmetto State Armory
Overview
The PSA Custom Fathers of Freedom 5.56 Full Auto Profile Bolt Carrier features a phosphate finish, which offers enhanced corrosion resistance and durability for your build. Designed specifically for 5.56 NATO caliber, this full-auto bolt carrier ensures reliable cycling and performance, especially when paired with a mid-length gas system. This component is a popular choice for builds focused on versatility and sustained fire capability.
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Based on build data

BLEM PSA AR15 Complete Classic Stealth Lower, Black
Lower Receiver
Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C
Charging Handle
Magpul AFG-2 Angled Fore Grip - Black
Foregrip
Strike Industries AR-10 Shift Pins, Black - SI-AR10-SHIFT-BK
Takedown Pin
Radian Raptor Charging Handle & Talon Safety Selector Combo - Od Green
Charging Handle
Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black
Gas BlockAggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| BLEM PSA AR15 Complete Classic Stealth Lower, Black | Lower Receiver | 47 |
| Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C | Charging Handle | 43 |
| Magpul AFG-2 Angled Fore Grip - Black | Foregrip | 24 |
| Strike Industries AR-10 Shift Pins, Black - SI-AR10-SHIFT-BK | Takedown Pin | 17 |
| Radian Raptor Charging Handle & Talon Safety Selector Combo - Od Green | Charging Handle | 17 |
| Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black | Gas Block | 15 |
| Platform | Percentage |
|---|---|
| AR-15 | 90.6% |
| AR-10 | 7.1% |
| AR-9 | 2.4% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 82.5% |
| .223 Wylde | 10.3% |
| 300 Blackout | 4% |
| .450 Bushmaster | 1.6% |
| .350 Legend | 0.8% |
| .308 Win | 0.8% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 51.1% |
| Carbine | 23.4% |
| Pistol | 19.1% |
| Rifle | 6.4% |
Builds in the community that include the PSA Custom Fathers of Freedom 5.56 Full Auto Profile Phosphate Coated Bolt Carrier by Microbest
| Build | Parts | Total |
|---|---|---|
![]() | 28 | $1840.28 |
![]() | 15 | $1175.09 |
![]() | 25 | $2468.12 |
![]() | 9 | $1375.02 |
![]() | 19 | $3368.94 |
![]() | 16 | $883.88 |
![]() | 12 | $1452.75 |
![]() | 16 | $883.88 |
![]() | 15 | $1180.85 |
![]() | 16 | $1798.10 |
![]() | 13 | $1848.74 |
![]() | 12 | $892.78 |
2 global ratings
BCG is built right, lockup and ejection are correct. only quirk is the carrier was tight in an aero upper for the first 100 rds, some break in friction. now after 400 rds it glides clean. likely tighter clearance than other BCGs i have run
full auto profile carrier, phosphate finish, C158 bolt. machining is what you expect from a PSA premium line. lockup on my barrel was correct, headspace gauges fell where they should. for the price you cant beat the QC